Cable Ferrites

Image Part Number Description / PDF Quantity Rfq
LFB250150-000

LFB250150-000

Laird - Performance Materials

FERRITE CORE 26 OHM SOLID 15MM

3856

7427806

7427806

Würth Elektronik Midcom

FERRITE CORE 65 OHM SOLID

0

BF2930

BF2930

API Delevan

FERRITE CORE 257 OHM HINGED 13MM

1594

28R1103-000

28R1103-000

Laird - Performance Materials

FERRITE CORE 230 OHM SOLID

1534

74272590

74272590

Würth Elektronik Midcom

WE-SFA SPLIT EMI SUPPRESSION FLA

43

ESD-R-31SR-P

ESD-R-31SR-P

KEMET

MN-ZN FERRITE HIGH Z TROIDS COAT

0

74278043

74278043

Würth Elektronik Midcom

FERRITE CORE 31 OHM SOLID

0

CS28B1937

CS28B1937

Leader Tech Inc.

FERRITE 117OHM HINGED 10.80MM

0

74270055

74270055

Würth Elektronik Midcom

FERRITE CORE 225 OHM SOLID

3240

74270035

74270035

Würth Elektronik Midcom

FERRITE CORE 275 OHM SOLID 6.9MM

289

5967001901

5967001901

Fair-Rite Products Corp.

FERRITE CORE

1338

0443167251

0443167251

Fair-Rite Products Corp.

FERRITE 225OHM SOLID 10.16MM

53561

28A0434-0A2

28A0434-0A2

Laird - Performance Materials

FERRITE CORE 277 OHM HINGED

21756

28A0392-0A2

28A0392-0A2

Laird - Performance Materials

FERRITE CORE 170 OHM HINGED

0

ESD-SR-250H

ESD-SR-250H

KEMET

FERRITE CORE HINGED 13MM

489

AB4X2X8W

AB4X2X8W

Toshiba Electronic Devices and Storage Corporation

FERRITE CORE SOLID 1.5MM

3019

74272733

74272733

Würth Elektronik Midcom

FERRITE CORE 62 OHM HINGED 8MM

5309

742700713

742700713

Würth Elektronik Midcom

FERRITE CORE 58 OHM SOLID 1.3MM

1000

74271211S

74271211S

Würth Elektronik Midcom

FERRITE CORE 425 OHM HINGED 21MM

134

2643102002

2643102002

Fair-Rite Products Corp.

FERRITE 235OHM SOLID 12.83MM

77406

Cable Ferrites

1. Overview

Cable Ferrites are passive electronic components designed to suppress high-frequency noise in cables, reducing electromagnetic interference (EMI) and radio-frequency interference (RFI). Constructed from ferrite materials, these components absorb electromagnetic energy and convert it into heat. With the rapid development of high-speed electronics and wireless communication systems, cable ferrites play a critical role in ensuring electromagnetic compatibility (EMC) across industries.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Split Core (Snap-on)Easy installation without cable disassembly; moderate noise suppressionConsumer electronics power cables
Wound TypeHigher inductance through multiple turns; superior EMI filteringIndustrial motor drives
Flat Cable FerriteLow-profile design; optimized for ribbon cablesComputer peripheral cables
High-Frequency FerriteEffective at GHz frequencies; specialized material formulation5G base station cables

3. Structure and Composition

Typical cable ferrites consist of a manganese-zinc (MnZn) or nickel-zinc (NiZn) ferrite core with polymer coating. Split-core designs use two interlocking halves with snap mechanisms, while wound types feature pre-molded toroidal cores. Advanced models integrate conductive elastomers for improved EMI absorption. The core material's permeability determines the operating frequency range and noise suppression efficiency.

4. Key Technical Specifications

ParameterDescriptionImportance
Impedance (100MHz)100 - 2500 Determines noise attenuation performance
Frequency Range1MHz - 3GHzDefines effective operation bandwidth
Temperature Stability-40 C to +125 CEnsures reliability in harsh environments
Cable Compatibility2-15mm diameterInstallation flexibility

5. Application Fields

  • Consumer Electronics: Notebook chargers, HDMI cables, USB hubs
  • Industrial Equipment: PLC systems, CNC machine cabling
  • Telecommunications: Fiber optic transceivers, 5G small cells
  • Automotive: CAN bus systems, EV charging cables

6. Leading Manufacturers and Products

ManufacturerKey ProductFeatures
TDK CorporationDFE3D25E102MA2D2500 @100MHz, 3GHz high-frequency performance
Murata ManufacturingBLE21HG102MN1DCompact 10.5 6.5mm size for automotive applications
Steward Components28B2043-0A0High-vibration resistance for industrial motors

7. Selection Guidelines

Key considerations include:

  • Match impedance to target noise frequency range
  • Verify mechanical compatibility with cable diameter
  • Select material type (MnZn for low frequencies, NiZn for high frequencies)
  • Assess environmental requirements (temperature, vibration)
  • Balance performance with cost constraints

8. Industry Trends

Current trends show: - Increasing demand for high-frequency (>6GHz) ferrites driven by 5G and IoT - Miniaturization for wearable device applications - Development of wideband ferrites with multi-octave frequency coverage - Growing adoption in EV charging systems (SAE J1772 compliance) - Integration with cable connectors for space-constrained designs

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